diff options
author | Ruiyu Ni <ruiyu.ni@intel.com> | 2018-08-29 11:39:06 +0800 |
---|---|---|
committer | Ruiyu Ni <ruiyu.ni@intel.com> | 2018-08-30 09:26:54 +0800 |
commit | 79e4f2a56ac7cee477c2f84ff65f766814cc1836 (patch) | |
tree | 1640996f68d818bc01720d718c21a0d9918997a5 /EmulatorPkg/Library/SecPeiServicesLib | |
parent | a07533fab100db41c04d9044503438ac00039d82 (diff) | |
download | edk2-79e4f2a56ac7cee477c2f84ff65f766814cc1836.tar.gz edk2-79e4f2a56ac7cee477c2f84ff65f766814cc1836.tar.bz2 edk2-79e4f2a56ac7cee477c2f84ff65f766814cc1836.zip |
EmulatorPkg: formalize line endings
The patch is the result of running
"BaseTools/Scripts/FormatDosFiles.py EmulatorPkg/"
No functionality impact.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'EmulatorPkg/Library/SecPeiServicesLib')
-rw-r--r-- | EmulatorPkg/Library/SecPeiServicesLib/FwVol.c | 562 |
1 files changed, 281 insertions, 281 deletions
diff --git a/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c b/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c index 7fa4ddb594..a48f2b5f53 100644 --- a/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c +++ b/EmulatorPkg/Library/SecPeiServicesLib/FwVol.c @@ -1,281 +1,281 @@ -/*++ @file - A simple FV stack so the SEC can extract the SEC Core from an - FV. - -Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> -This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include <PiPei.h> - - -#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \ - (ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1)) - -EFI_FFS_FILE_STATE -GetFileState ( - IN UINT8 ErasePolarity, - IN EFI_FFS_FILE_HEADER *FfsHeader - ) -/*++ - -Routine Description: - Returns the highest bit set of the State field - -Arguments: - ErasePolarity - Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY - in the Attributes field. - FfsHeader - Pointer to FFS File Header. - -Returns: - Returns the highest bit in the State field - -**/ -{ - EFI_FFS_FILE_STATE FileState; - EFI_FFS_FILE_STATE HighestBit; - - FileState = FfsHeader->State; - - if (ErasePolarity != 0) { - FileState = (EFI_FFS_FILE_STATE)~FileState; - } - - HighestBit = 0x80; - while (HighestBit != 0 && (HighestBit & FileState) == 0) { - HighestBit >>= 1; - } - - return HighestBit; -} - -UINT8 -CalculateHeaderChecksum ( - IN EFI_FFS_FILE_HEADER *FileHeader - ) -/*++ - -Routine Description: - Calculates the checksum of the header of a file. - -Arguments: - FileHeader - Pointer to FFS File Header. - -Returns: - Checksum of the header. - -**/ -{ - UINT8 *ptr; - UINTN Index; - UINT8 Sum; - - Sum = 0; - ptr = (UINT8 *) FileHeader; - - for (Index = 0; Index < sizeof (EFI_FFS_FILE_HEADER) - 3; Index += 4) { - Sum = (UINT8) (Sum + ptr[Index]); - Sum = (UINT8) (Sum + ptr[Index + 1]); - Sum = (UINT8) (Sum + ptr[Index + 2]); - Sum = (UINT8) (Sum + ptr[Index + 3]); - } - - for (; Index < sizeof (EFI_FFS_FILE_HEADER); Index++) { - Sum = (UINT8) (Sum + ptr[Index]); - } - // - // State field (since this indicates the different state of file). - // - Sum = (UINT8) (Sum - FileHeader->State); - // - // Checksum field of the file is not part of the header checksum. - // - Sum = (UINT8) (Sum - FileHeader->IntegrityCheck.Checksum.File); - - return Sum; -} - -EFI_STATUS -SecFfsFindNextFile ( - IN EFI_FV_FILETYPE SearchType, - IN EFI_PEI_FV_HANDLE FvHandle, - IN OUT EFI_PEI_FILE_HANDLE *FileHandle - ) -/*++ - -Routine Description: - Given the input file pointer, search for the next matching file in the - FFS volume as defined by SearchType. The search starts from FileHeader inside - the Firmware Volume defined by FwVolHeader. - -Arguments: - SearchType - Filter to find only files of this type. - Type EFI_FV_FILETYPE_ALL causes no filtering to be done. - FwVolHeader - Pointer to the FV header of the volume to search. - This parameter must point to a valid FFS volume. - FileHeader - Pointer to the current file from which to begin searching. - This pointer will be updated upon return to reflect the file - found. - -Returns: - EFI_NOT_FOUND - No files matching the search criteria were found - EFI_SUCCESS - -**/ -{ - EFI_FFS_FILE_HEADER *FfsFileHeader; - UINT32 FileLength; - UINT32 FileOccupiedSize; - UINT32 FileOffset; - UINT64 FvLength; - UINT8 ErasePolarity; - UINT8 FileState; - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - EFI_FFS_FILE_HEADER **FileHeader; - - // - // Convert the handle of FV to FV header for memory-mapped firmware volume - // - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle; - FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle; - - FvLength = FwVolHeader->FvLength; - if (FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) { - ErasePolarity = 1; - } else { - ErasePolarity = 0; - } - // - // If FileHeader is not specified (NULL) start with the first file in the - // firmware volume. Otherwise, start from the FileHeader. - // - if (*FileHeader == NULL) { - FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength); - } else { - // - // Length is 24 bits wide so mask upper 8 bits - // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned. - // - FileLength = *(UINT32 *) (*FileHeader)->Size & 0x00FFFFFF; - FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8); - FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) *FileHeader + FileOccupiedSize); - } - - FileOffset = (UINT32) ((UINT8 *) FfsFileHeader - (UINT8 *) FwVolHeader); - - while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) { - // - // Get FileState which is the highest bit of the State - // - FileState = GetFileState (ErasePolarity, FfsFileHeader); - - switch (FileState) { - - case EFI_FILE_HEADER_INVALID: - FileOffset += sizeof (EFI_FFS_FILE_HEADER); - FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER)); - break; - - case EFI_FILE_DATA_VALID: - case EFI_FILE_MARKED_FOR_UPDATE: - if (CalculateHeaderChecksum (FfsFileHeader) == 0) { - FileLength = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF; - FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8); - - if ((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) { - - *FileHeader = FfsFileHeader; - - return EFI_SUCCESS; - } - - FileOffset += FileOccupiedSize; - FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize); - } else { - return EFI_NOT_FOUND; - } - break; - - case EFI_FILE_DELETED: - FileLength = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF; - FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8); - FileOffset += FileOccupiedSize; - FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize); - break; - - default: - return EFI_NOT_FOUND; - - } - } - - return EFI_NOT_FOUND; -} - -EFI_STATUS -SecFfsFindSectionData ( - IN EFI_SECTION_TYPE SectionType, - IN EFI_FFS_FILE_HEADER *FfsFileHeader, - IN OUT VOID **SectionData - ) -/*++ - -Routine Description: - Given the input file pointer, search for the next matching section in the - FFS volume. - -Arguments: - SearchType - Filter to find only sections of this type. - FfsFileHeader - Pointer to the current file to search. - SectionData - Pointer to the Section matching SectionType in FfsFileHeader. - NULL if section not found - -Returns: - EFI_NOT_FOUND - No files matching the search criteria were found - EFI_SUCCESS - -**/ -{ - UINT32 FileSize; - EFI_COMMON_SECTION_HEADER *Section; - UINT32 SectionLength; - UINT32 ParsedLength; - - // - // Size is 24 bits wide so mask upper 8 bits. - // Does not include FfsFileHeader header size - // FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned. - // - Section = (EFI_COMMON_SECTION_HEADER *) (FfsFileHeader + 1); - FileSize = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF; - FileSize -= sizeof (EFI_FFS_FILE_HEADER); - - *SectionData = NULL; - ParsedLength = 0; - while (ParsedLength < FileSize) { - if (Section->Type == SectionType) { - *SectionData = (VOID *) (Section + 1); - return EFI_SUCCESS; - } - // - // Size is 24 bits wide so mask upper 8 bits. - // SectionLength is adjusted it is 4 byte aligned. - // Go to the next section - // - SectionLength = *(UINT32 *) Section->Size & 0x00FFFFFF; - SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4); - - ParsedLength += SectionLength; - Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + SectionLength); - } - - return EFI_NOT_FOUND; -} - +/*++ @file
+ A simple FV stack so the SEC can extract the SEC Core from an
+ FV.
+
+Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiPei.h>
+
+
+#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \
+ (ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1))
+
+EFI_FFS_FILE_STATE
+GetFileState (
+ IN UINT8 ErasePolarity,
+ IN EFI_FFS_FILE_HEADER *FfsHeader
+ )
+/*++
+
+Routine Description:
+ Returns the highest bit set of the State field
+
+Arguments:
+ ErasePolarity - Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY
+ in the Attributes field.
+ FfsHeader - Pointer to FFS File Header.
+
+Returns:
+ Returns the highest bit in the State field
+
+**/
+{
+ EFI_FFS_FILE_STATE FileState;
+ EFI_FFS_FILE_STATE HighestBit;
+
+ FileState = FfsHeader->State;
+
+ if (ErasePolarity != 0) {
+ FileState = (EFI_FFS_FILE_STATE)~FileState;
+ }
+
+ HighestBit = 0x80;
+ while (HighestBit != 0 && (HighestBit & FileState) == 0) {
+ HighestBit >>= 1;
+ }
+
+ return HighestBit;
+}
+
+UINT8
+CalculateHeaderChecksum (
+ IN EFI_FFS_FILE_HEADER *FileHeader
+ )
+/*++
+
+Routine Description:
+ Calculates the checksum of the header of a file.
+
+Arguments:
+ FileHeader - Pointer to FFS File Header.
+
+Returns:
+ Checksum of the header.
+
+**/
+{
+ UINT8 *ptr;
+ UINTN Index;
+ UINT8 Sum;
+
+ Sum = 0;
+ ptr = (UINT8 *) FileHeader;
+
+ for (Index = 0; Index < sizeof (EFI_FFS_FILE_HEADER) - 3; Index += 4) {
+ Sum = (UINT8) (Sum + ptr[Index]);
+ Sum = (UINT8) (Sum + ptr[Index + 1]);
+ Sum = (UINT8) (Sum + ptr[Index + 2]);
+ Sum = (UINT8) (Sum + ptr[Index + 3]);
+ }
+
+ for (; Index < sizeof (EFI_FFS_FILE_HEADER); Index++) {
+ Sum = (UINT8) (Sum + ptr[Index]);
+ }
+ //
+ // State field (since this indicates the different state of file).
+ //
+ Sum = (UINT8) (Sum - FileHeader->State);
+ //
+ // Checksum field of the file is not part of the header checksum.
+ //
+ Sum = (UINT8) (Sum - FileHeader->IntegrityCheck.Checksum.File);
+
+ return Sum;
+}
+
+EFI_STATUS
+SecFfsFindNextFile (
+ IN EFI_FV_FILETYPE SearchType,
+ IN EFI_PEI_FV_HANDLE FvHandle,
+ IN OUT EFI_PEI_FILE_HANDLE *FileHandle
+ )
+/*++
+
+Routine Description:
+ Given the input file pointer, search for the next matching file in the
+ FFS volume as defined by SearchType. The search starts from FileHeader inside
+ the Firmware Volume defined by FwVolHeader.
+
+Arguments:
+ SearchType - Filter to find only files of this type.
+ Type EFI_FV_FILETYPE_ALL causes no filtering to be done.
+ FwVolHeader - Pointer to the FV header of the volume to search.
+ This parameter must point to a valid FFS volume.
+ FileHeader - Pointer to the current file from which to begin searching.
+ This pointer will be updated upon return to reflect the file
+ found.
+
+Returns:
+ EFI_NOT_FOUND - No files matching the search criteria were found
+ EFI_SUCCESS
+
+**/
+{
+ EFI_FFS_FILE_HEADER *FfsFileHeader;
+ UINT32 FileLength;
+ UINT32 FileOccupiedSize;
+ UINT32 FileOffset;
+ UINT64 FvLength;
+ UINT8 ErasePolarity;
+ UINT8 FileState;
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FFS_FILE_HEADER **FileHeader;
+
+ //
+ // Convert the handle of FV to FV header for memory-mapped firmware volume
+ //
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle;
+ FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle;
+
+ FvLength = FwVolHeader->FvLength;
+ if (FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) {
+ ErasePolarity = 1;
+ } else {
+ ErasePolarity = 0;
+ }
+ //
+ // If FileHeader is not specified (NULL) start with the first file in the
+ // firmware volume. Otherwise, start from the FileHeader.
+ //
+ if (*FileHeader == NULL) {
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength);
+ } else {
+ //
+ // Length is 24 bits wide so mask upper 8 bits
+ // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.
+ //
+ FileLength = *(UINT32 *) (*FileHeader)->Size & 0x00FFFFFF;
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) *FileHeader + FileOccupiedSize);
+ }
+
+ FileOffset = (UINT32) ((UINT8 *) FfsFileHeader - (UINT8 *) FwVolHeader);
+
+ while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) {
+ //
+ // Get FileState which is the highest bit of the State
+ //
+ FileState = GetFileState (ErasePolarity, FfsFileHeader);
+
+ switch (FileState) {
+
+ case EFI_FILE_HEADER_INVALID:
+ FileOffset += sizeof (EFI_FFS_FILE_HEADER);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));
+ break;
+
+ case EFI_FILE_DATA_VALID:
+ case EFI_FILE_MARKED_FOR_UPDATE:
+ if (CalculateHeaderChecksum (FfsFileHeader) == 0) {
+ FileLength = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF;
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+
+ if ((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) {
+
+ *FileHeader = FfsFileHeader;
+
+ return EFI_SUCCESS;
+ }
+
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);
+ } else {
+ return EFI_NOT_FOUND;
+ }
+ break;
+
+ case EFI_FILE_DELETED:
+ FileLength = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF;
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);
+ break;
+
+ default:
+ return EFI_NOT_FOUND;
+
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+EFI_STATUS
+SecFfsFindSectionData (
+ IN EFI_SECTION_TYPE SectionType,
+ IN EFI_FFS_FILE_HEADER *FfsFileHeader,
+ IN OUT VOID **SectionData
+ )
+/*++
+
+Routine Description:
+ Given the input file pointer, search for the next matching section in the
+ FFS volume.
+
+Arguments:
+ SearchType - Filter to find only sections of this type.
+ FfsFileHeader - Pointer to the current file to search.
+ SectionData - Pointer to the Section matching SectionType in FfsFileHeader.
+ NULL if section not found
+
+Returns:
+ EFI_NOT_FOUND - No files matching the search criteria were found
+ EFI_SUCCESS
+
+**/
+{
+ UINT32 FileSize;
+ EFI_COMMON_SECTION_HEADER *Section;
+ UINT32 SectionLength;
+ UINT32 ParsedLength;
+
+ //
+ // Size is 24 bits wide so mask upper 8 bits.
+ // Does not include FfsFileHeader header size
+ // FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned.
+ //
+ Section = (EFI_COMMON_SECTION_HEADER *) (FfsFileHeader + 1);
+ FileSize = *(UINT32 *) (FfsFileHeader->Size) & 0x00FFFFFF;
+ FileSize -= sizeof (EFI_FFS_FILE_HEADER);
+
+ *SectionData = NULL;
+ ParsedLength = 0;
+ while (ParsedLength < FileSize) {
+ if (Section->Type == SectionType) {
+ *SectionData = (VOID *) (Section + 1);
+ return EFI_SUCCESS;
+ }
+ //
+ // Size is 24 bits wide so mask upper 8 bits.
+ // SectionLength is adjusted it is 4 byte aligned.
+ // Go to the next section
+ //
+ SectionLength = *(UINT32 *) Section->Size & 0x00FFFFFF;
+ SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
+
+ ParsedLength += SectionLength;
+ Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + SectionLength);
+ }
+
+ return EFI_NOT_FOUND;
+}
+
|